Series SK 550 Expander

Part Number

SKC 550




Series SK-SKC pull-style expanders operate in pressures up to 500 bar (7200 psi) with a 100% mechanical seal, using an anchorage system. They have a short installation length for swift sealing of holes in hydraulic bores from 3 seconds per cycle.

The SKC 550 comes in diameters from 4mm – 12 mm. The sleeve is case hardening steel for excellent wear resistance. A heat treatable mandrel with special oil film lubrication ensures efficient installation.

One piece construction, ideal for automated high production requirements using hydraulic / pneumatic hand tools with mandrel collection pod.

Product Highlights

  • One piece construction
  • Ideal for automated high production requirements
  • Operating pressures up to 500bar

Technical Specs


Case Hardening Steel, Gun Metal Finish


Heat treatable steel, Special Oil Film Lubrication

Dimensions In


Size Range & Pressure

Up to 500 Bar (7200 psi) From 4.0 - 12.0 mm


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